electric oxygen booster

I have an Brand new, unused Drager electric O2 booster for sale. The details are found in the link below: http://www.draeger.com/sites/en_aunz/Pages/Fire-Services/Draeger-DOB-MT.aspx The booster lists for about $18,000, but is offered here for $12,000 OBO. It is located near Detroit, MI for...